Finding the Fourth Proportional to 2,149,203.44, 2,965,783.62 and 1,182,177.62
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Solution
The fourth proportional to 2,149,203.44, 2,965,783.62 and 1,182,177.62 is: 1,631,340.69
Step by Step Solution
- Step 1: Write the proportion equation
2,149,203.44 : 2,965,783.62 = 1,182,177.62 : x - Step 2: Convert to fraction form
2,149,203.44/2,965,783.62 = 1,182,177.62/x - Step 3: Cross multiply
2,149,203.44x = 2,965,783.62 × 1,182,177.62 - Step 4: Simplify right side
2,149,203.44x = 3,506,083,021,326.59 - Step 5: Solve for x
x = 3,506,083,021,326.59/2,149,203.44 - Step 6: Final answer
x = 1,631,340.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.